Documentary journal of Indiana 1882 . Forged as shown; it is hardened and the temper flashedoff in oil. As a test it must stanl to be straightened and re-turned to its original position. 174 Forty-fourth Exercise.— Forged as shown; hardened in oil, and the temper drawn bjthe flash of a pine stick. It sliould be sufficiently elastic to en-able the end A to be bent down to the line B and ]-eturii to itsfirst position. MACHINE WORK IN METAL. Twenty Weeks.—{2(}Q Hours.) The appliances for machine work are as follows: Two ma-chine lathes 14 inch swing by 6 foot bed; one machine lathe7 inch
Documentary journal of Indiana 1882 . Forged as shown; it is hardened and the temper flashedoff in oil. As a test it must stanl to be straightened and re-turned to its original position. 174 Forty-fourth Exercise.— Forged as shown; hardened in oil, and the temper drawn bjthe flash of a pine stick. It sliould be sufficiently elastic to en-able the end A to be bent down to the line B and ]-eturii to itsfirst position. MACHINE WORK IN METAL. Twenty Weeks.—{2(}Q Hours.) The appliances for machine work are as follows: Two ma-chine lathes 14 inch swing by 6 foot bed; one machine lathe7 inch swing by 3| foot bed; a speed lathe 8 inch swing by3| foot bed; a machine planer 3 foot bed by 18 inches wide; avertical drilling machine; an emery grinder and is a fair supply of chucks, centres, etc., for the difi:erentmachines, and of drills, reamers, gauges, squares, calipers, etc.,for general purposes. All are good tools and are in a good con-dition. The course is intended to give students a knowledge (1) ofthe different machines—their adjuvStment and action; (2) ofthe general principles governing work upon the common metalsin machines—shape and adjustment of the cutting tools, cut-ting
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Keywords: ., bookcentury1800, bookdecade1880, bookiddocumentaryj, bookyear1883